Genetic evolution of living beings is the process of the disappearance or emergence of new species due to genetic variability. This process is very slow and can take up to thousands of years so it is difficult to keep up with the evolution process.
The research shown in the question above is an example of genetic evolution research. This is because antibiotics are substances that have the power to kill any kind of bacteria, however some bacteria evolve, new species of bacteria have emerged that have the ability to resist and survive the action of antibiotics.
He was a close friend to Charles Darwin so he helped him out in creating the theory of evolution so I would say C: He developed the idea of inheritance of acquired characteristics.
sry I just wanted the points I'm in middle school so I don't know this stuff either but can you give free brainlyest I'm soo close to my next rank I'd really appreciate it if you would